This site uses cookies to improve your experience. [Chirping] [An American robin sits in its nest.] Another swallow flies in with mud in its beak and they trade spots, with the first one flying away. In nesting colonies of up to 3,700 nests, Cliff Swallows can be found in North America during the spring and summer. [Several cliff swallows on the edge of a stream gather mud.] How many animals use this log to cross the stream? Technically called an adherent cup, a finished nest contains over 1,000 mud pellets. They regularly use bridges, barns, and other large buildings. The pair works together, gathering pellets of wet mud in their beaks and laying them down one by one in rows until the structure almost reaches the overhang above. Smart videos for curious minds of all ages. What does an animal welfare scientist do? They also build nests in the eaves of buildings. TKSST is an unprecedented collection of 4,500+ kid-friendly videos, curated for teachers and parents who want to share smarter, more meaningful media in the classroom and at home. Both sexes help build nest; inside of nest sparsely lined with grass and feathers. May repair and reuse old nest, sometimes that of another species. Start conversations. Cliff swallows build their nests on vertical walls, either natural or constructed, frequently with some sort of sheltering overhang. Listen to their calls at BirdNote.org, or read more at AllAboutBirds.org. It adds its mud pellet to the nest.] Scan the swallows carefully, focusing on finding a square-tailed bird with a pale, pumpkin-colored rump and dark upperparts. Keep learning, participate in group conversations. Scan the upper levels of a foraging flock, as Cliff Swallows often forage higher than other species. Scrolling is acceptance of our, The Lizard That Uses Nanotechnology to Walk Upside Down, Galloping Starfish and their army of sniffing, tasting, gripping tube feet, Annie and Grinnell, UC Berkeley’s Peregrine Falcon Parents. Inspire offline exploration. [The swallow scratches its head with its foot, preens, and calls.] Western Spaghetti, the internet’s first viral stop-motion cooking animation, Making traditional French butter by hand at le Beurre Bordier, Japanese square lashing, a video demonstration, Buffalo Dance by the Serpent Trail Dance Group. The Invention of Thanksgiving, a National Museum of the American Indian short... Hummingbird hatchlings in their nest with mother Rosie, Rangers candle the Royal Albatross egg at the RoyalCam nest, The Vogelkop Superb Bird-of-Paradise, a new species, Cornell Lab of Ornithology’s Great Horned Owl Live Cam, This “snail shell spider” uses its web to hoist objects up high, our favorite smart books, toys, games + more. [A cliff swallow perches on the edge of its nest.] Introducing Perseverance, NASA’s fifth Mars rover, Comet NEOWISE from ISS, a calming real-time view, The Meteorite Museum: A visit with ASU’s Center for Meteorite Studies, Learning To Fly, a StoryCorps animation with birder Drew Lanham. Keeping the Peace: Threat Signals in Gull Colonies, Gentoo Penguins Build Rock Nests on the Antarctic Ground, Olive-backed Sunbird Removing Fecal Sac From Nest. [Two cliff swallows call while sitting in a mud nest. This award-winning video collection is reader-supported. Help keep this award-winning video collection up and running. All rights reserved. And it's free for everyone. Cliff Swallows tuck their nests away in corners and make sure that the nest opening is small so the eggs and nestlings are well protected from predators like hawks, owls, snakes, and mammals. Get smart curated videos delivered every week. From the Cornell Lab of Ornithology, watch as some cliff swallows gather small chunks of mud from the water’s edge, and then, against a cliffside or man-made wall, stack the mud pellets around themselves like 1,000 drippy bricks. The pair works together, gathering pellets of wet mud in their beaks and laying them down one by one in rows until the structure almost reaches the overhang above. The sand, silt, and clay mud that they choose keeps the nest from crumbling as it dries. [Cliff Swallows use their bills to gather mud alongside puddles, streams, or lakes.] The sand, silt, and clay mud that they choose keeps the nest from crumbling as it dries. The Future of Food: Can we create the “perfect” farm? [Explore more at AllAboutBirds.org]. Dropping ice chunks down a borehole in Antarctica: What does it sound…, How to make a PB&J sandwich with a Rube Goldberg machine (or…. Cliff Swallows build their mud nests on cliff faces and other vertical surfaces in colonies containing hundreds, even thousands of other birds. Royal Observatory Greenwich explains…. Related watching: more videos with nests, including the Weaver Birds intricate nests and the Burrowing Owl’s Cozy Underground Home. The birds might also line the inside of the nest with grass and feathers. [All in a day’s work for the “bricklaying” Cliff Swallow.] Swallows deposit mud pellets onto the nest with a shaking motion leaving behind well-formed nuggets that bond with the others and harden into a strong nest wall. One flies away.] [The finished nest contains about 1000 individual mud pellets.] Mongolian Throat Singing: Batzorig Vaanchig sings with his children, The Djembe, an instrument played for the king of Mali, The Invention of Thanksgiving, a National Museum of the American Indian short…, A day in the Secret Annex, an Anne Frank House video, Sketching wildlife with a pressure washer in an Alabama driveway, Illustrating a photorealistic portrait, a time-lapse, Nobody is Normal, a stop-motion animation for the U.K.’s Childline, Life, death, and discovery of a plesiosaur, Animoji piano performances by music teacher Magdalene Rolka, the Burrowing Owl’s Cozy Underground Home, Oobleck Egg vs Wall, a twist on the egg drop experiment. Click play and start a conversation. To find these birds while they’re out foraging, head to a lake, river, or wetland and seek out foraging flocks of swallows. Curated by Rion Nakaya with her 9 & 12 year olds. They construct the nests from mud pellets and some fibrous material. They also build nests in the eaves of buildings. [Another swallow carefully deposits a mud pellet onto its nest.] Being 10 in 2020, a kid-driven episode of Self-Evident: A PBS American…, What is light? From AllAboutBirds.org: One easy way to find Cliff Swallows is to look for their gourd-shaped mud nests clustered under horizontal overhangs—many a highway overpass is swarming with Cliff Swallows in summer. Nest is made of dried mud and shaped like a gourd, with large chamber for nest, narrowing to small entrance on side. ©2011-2020 The Kid Should See This™, TKSST™, TKSST Gift Guide™. [A cliff swallow in a nest deposits a mud pellet onto the nest. [A Robin’s nest is a familiar sight…] [..but, have you ever seen a Cliff Swallow nest?] Cliff Swallows build their mud nests on cliff faces and other vertical surfaces in colonies containing hundreds, even thousands of other birds. 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